The Prince of Wales says he is "thrilled" that the Duchess of Cambridge is pregnant, adding:
It's a very nice thought to become a grandfather in my old age.
The Duchess of Cambridge left hospital today, after three days of treatment for a severe form of morning sickness.
A nurse disclosed information about Kate's condition to two DJs who rang the hospital claiming to be the Queen and Prince Charles.
The Duchess of Cambridge is to spend another night in hospital being treated for acute morning sickness but is said to be feeling better.